CHAPTER XVII. 
Special Group. 
There has been, and in fact still is, considerable discussion 
as to the action on the system of those substances present in 
small quantity in waters. If we hold to the theory that the 
therapeutic action comes mostly from the ions, then the effect 
may not be as insignificant as would at first appear. (See 
chapter V.) 
It is no doubt true that this special group might be greatly 
enlarged if a more complete analysis had been made of some of 
the waters of the state. One has but to study the very com- 
plete analyses of the waters of the Yellowstone Park,* in which 
in some cases the search for rare elements was extended to 
include lithium, boric acid, barium, strontium, ammonium, 
cesium, rubidium, and manganese, to see what a more com- 
plete analysis will reveal. It would be surprising if further 
investigation did not show an equally large variety of elements 
in the Kansas waters. 
The special substances considered in this group are lithium, 
barium, strontium, bromin, iodin, flourin, boric acid, and ar- 
senic, and their therapeutic qualities have been previously con- 
sidered. (See chapter III.) 
This group is represented by the following waters : 
Baxter Springs, Cherokee county, No. 1. 
Baxter Springs, Cherokee county, No. 5. 
Fort Scott, Bourbon county, artesian well. 
Rosedale, Johnson county, geyser well. 
Independence, Montgomery county, brom-magnesian well. 
Jewell county, lithia spring. 
Providence, Butler county. 
81. Bull. U. S. Geol. Surv. No. 47, Gooch and Whitfield. 
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